package com.nmf.pc.filter;
import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletResponse;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
 
public class CORSFilter implements Filter {
	private final static Logger log = LoggerFactory.getLogger(CORSFilter.class);
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
 
    }
 
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
       try {
    	   HttpServletResponse httpResponse = (HttpServletResponse) servletResponse;
           httpResponse.addHeader("Access-Control-Allow-Origin", "*");
           filterChain.doFilter(servletRequest, servletResponse);
       }catch(Exception e) {
    	   log.error("",e);
       }
    }
 
    @Override
    public void destroy() {
 
    }
}